The harmful effects of soil pollution may come from direct contact with polluted soil or from contact with other resources, such as water or food which has been grown on or come in direct contact with the polluted soil.
A reason for your arm or hand falling asleep at night could be because of having a stroke. A stroke is a life-threatening emergency that happens when there is a disruption in the flow of blood to your brain. This can cause paralysis, loss of consciousness, numbness on one side of the body, and impaired speech.
Some medicines can cause you to feel dizzy or sleepy, making you more likely to fall. Other causes include safety hazards in the home or community environment. Scientists have linked several personal risk factors to falling, including muscle weakness, problems with balance and gait, and blood pressure that drops too much when you get up from lying down or sitting (called postural hypotension).